Antibody-mediated transduction of heat shock proteins into living cells

ABSTRACT

The invention provides for a fusion protein comprising a 3E10 Fv joined to a Hsp-70, Hsp-27, Hsp-90 or GRP-78 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

This patent application is a divisional application of U.S. Ser. No. 13/815,829, filed Mar. 15, 2013, which claims the benefit of U.S. Ser. No. 61/618,594, filed Mar. 30, 2012, the contents of all of which are herein incorporated by reference in their entireties into the present patent application.

Throughout this application various publications are referenced. The disclosures of these publications in their entireties are hereby incorporated by reference into this application in order to more fully describe the state of the art to which this invention pertains.

This invention was made with government support under Grant No. FRS (NS054652) awarded by NH-MINDS. The government has certain rights in the invention.

BACKGROUND OF THE INVENTION

Current therapies are limited to small molecules because cells are impervious to large molecules such as proteins. We developed a method to transport proteins into cells as molecular fusion proteins including a fragment or portion of a mAb 3E10, a cell-penetrating antibody. mAb 3E10 is unique and distinguishable from other cell-penetrating peptides (CPPs) or protein transduction domains (PTDs) by its use of hENT2 nucleoside salvage pathway for entry into cells. We also developed single chain variable fragments of 3E10 antibody (3E10 scFv), including conservative variants thereof joined to e.g. heat shock proteins and glucose regulated proteins (e.g., GRP78 (glucose-regulated-protein 78 kDa). The full 3E10 antibody has been previously described (Weisbart R H, et al. J Immunol. 1990 144(7): 2653-2658; ATCC Accession No. PTA 2439 hybridoma). Our results demonstrate the feasibility of transporting proteins and other large molecules into cells using the fusion proteins of the invention.

SUMMARY OF THE INVENTION

The invention provides a 3E10 Fv attached to a heat shock protein (Hsp). Examples of heat shock proteins include but are not limited to, human Hsp-70 (Hunt and Morimoto PNAS Vol, 82, pp. 64-55-6459, FIGS. 2 and 3); HspA (e.g., HspA1A, HspA1B, HspA1L, HspA2, HspA5, HspA6, HspA7, HspA8, HspA9, HspA12A, HspA12B, HspA13, HspA14); HspH (e.g., HspH1, HspH2, HspH3, and HspH4); Hsp40 (e.g., DnaJA (e.g. DNAJA1, DNAJA2, DNAJA3, and DNAJA4), DnaJB (e.g., DNAJB1, DNAJB2, DNAJB3, DNAJB4, DNAJB5, DNAJB6, DNAJB7, DNAJB8, DNAJB9, DNAJB11, DNAJB12, DNAJB13, and DNAJB14), DnaJC (e.g., DNAJC1, DNAJC2, DNAJC3, DNAJC4, DNAJC5B, DNAJC5G, DNAJC6, DNAJC7, DNAJC8, DNAJC9, DNAJC10, DNAJC11, DNAJC12, DNAJC13, DNAJC14, DNAJC15, DNAJC16, DNAJC17, DNAJC18, DNAJC19, DNAJC20, DNAJC21, DNAJC22, DNAJC23, DNAJC24, DNAJC25, DNAJC26, DNAJC27, DNAJC28, and DNAJC30) and HSPB (HSPB1, HSPB2, HSPB3, HSPB4, HSPB5, HSPB6, HSPB7, HSPB8, HSPB9, HSPB10 and HSPB11) (Kampinga et al., Cell Stress and Chaperones (2009) 14:105-111).

The 3E10 Fv's of the invention may further comprise one or more amino acid sequence comprising Ala-Gly-Ile-His (AGIH) (SEQ ID NO:37) at its amino terminus.

The invention provides a 3E10 Fv attached to a Hsp-70 or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus and pharmaceutical compositions and uses thereof.

The invention also provides a 3E10 Fv attached to Hsp-27 or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus and pharmaceutical compositions and uses thereof.

The invention further provides a 3E10 Fv attached to a Hsp-90 or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus and pharmaceutical compositions and uses thereof.

The invention further provides a 3E10 Fv attached to glucose regulated protein 78 kDa (GRP78) or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus and pharmaceutical compositions and uses thereof.

The 3E10 Fv's of the invention may be joined or attached to localizing signals to direct the scFvs to intracellular compartments such as endoplasmic reticulum and mitochondria. Further, the 3E10 Fv's of the invention may incorporate enzyme cleavage sites to separate the scFvs once they are transported into cells.

The invention provides a fusion protein comprising a 3E10 Fv joined to a Hsp-70 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a fusion protein comprising a 3E10 Fv joined to Hsp-27 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a fusion protein comprising a 3E10 Fv attached/joined to a Hsp-90 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a fusion protein comprising a 3E10 Fv attached/joined to GRP78 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a 3E10 Fv attached to a Hsp-70 or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a 3E10 Fv attached to Hsp-27 or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a 3E10 Fv attached to a Hsp-90 or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

The invention also provides a 3E10 Fv attached to glucose regulated protein 78 kDa (GRP78) or portion thereof, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus.

BRIEF DESCRIPTION OF THE FIGURES

FIG. 1. Fv-Hsp27 protects human neuroblastoma cells (SHSY 5Y) from oxidative injury induced by H2O2. SHSY 5y cells were plated in 12 well culture plates and grown to 80% confluence in medium (DMEM:F12, 1:1) with 5% calf serum. Prior to the addition of H2O2, medium was replaced with DMEM:F12 without serum. Fv-Hsp27 was added to the cutures at 1 uM concentration 30 minutes prior to the addition of H2O2. After the addition of H2O2, the cultures were incubated at 37° C. overnight and cell counts were obtained by the addition of propidium iodide, 1 ug/ml medium. FIG. 1 shows that FvHsp27 protects cells significantly at two concentrations of H2O2.

FIG. 2. Western blot of purified Fv-Hsp27 produced in Pichia. The recombinant protein is approximately 60 kDa.

FIG. 3. Western blot of purified Fv-Hsp70 produced in Pichia. The recombinant protein is primarily in elution 2 from the Ni-agarose column.

FIG. 4 (4-1 through 4-6) shows the sequence of 3E10-Fv-HSP27 in pPicZαA (Human linker).

FIG. 5 shows the sequence of 3E10-Fv-HSP70 in pPicZαA (Human linker) SEQ ID NO:28 provides nucleic acid coding sequence for 3E10-Fv-HSP70 fusion protein with a human CH1 linker and swivel sequence with the encoded amino acid sequence provided under the nucleic acid sequence. SEQ ID NO:29 is a conceptual translation of the nucleic acid sequence for the 3E10-Fv-HSP70 fusion protein with a human CH1 linker and swivel sequence provided in SEQ ID NO:28. SEQ ID NO:30 is an annotated amino acid sequence of the 3E10-Fv-HSP70 fusion protein with a human CH1 linker and swivel sequence provided of SEQ ID NO:29.

FIG. 6 (6-1 through 6-10) shows the sequence of 3E10-Fv-GRP78 in pPicZαA (Human linker).

FIG. 7 (7-1 through 7-10) shows the sequence of 3E10-Fv-HSP90 in pPicZαA (Human linker).

FIG. 8 (8-1 through 8-6) shows the sequence of 3E10-Fv-HSP27 in pPicZαA (Mouse linker).

FIG. 9 (9-1 through 9-10) shows the sequence of 3E10-Fv-HSP70 in pPicZαA (Mouse linker) SEQ ID NO:4 provides nucleic acid coding sequence for 3E10-Fv-HSP70 fusion protein with a mouse CH1 linker and swivel sequence with the encoded amino acid sequence provided under the nucleic acid sequence. SEQ ID NO:5 is a conceptual translation of the nucleic acid sequence for the 3E10-Fv-HSP70 fusion protein with a mouse CH1 linker and swivel sequence provided in SEQ ID NO:4. SEQ ID NO:6 is an annotated amino acid sequence of the 3E10-Fv-HSP70 fusion protein with a mouse CH1 linker and swivel sequence provided of SEQ ID NO:5.

FIG. 10 (10-1 through 10-10) shows the sequence of 3E10-Fv-GRP78 in pPicZαA (Mouse linker).

FIG. 11 (11-1 through 11-10) shows the sequence of 3E10-Fv-HSP90 in pPicZαA (Mouse linker).

FIG. 12 shows the schematic diagram of constructs in Pichia.

SUMMARY TABLE OF SEQ ID NO AND DESCRIPTION

SEQ ID NO DESCRIPTION 1 3E10 Fv-Hsp27 Mouse Linker annotated nucleic acid 2 3E10 Fv-Hsp27 Mouse Linker translation 3 3E10 Fv-Hsp27 Mouse Linker annotated protein 4 3E10 Fv-Hsp70 Mouse Linker annotated nucleic acid (FIG. 9) 5 3E10 Fv-Hsp70 Mouse Linker translation (FIG. 9) 6 3E10 Fv-Hsp70 Mouse Linker annotated protein (FIG. 9) 7 3E10 Fv-GRP78 Mouse Linker annotated nucleic acid 8 3E10 Fv-GRP78 Mouse Linker translation 9 3E10 Fv-GRP78 Mouse Linker annotated protein 10 3E10 Fv-Hsp90 Mouse Linker annotated nucleic acid 11 3E10 Fv-Hsp90 Mouse Linker translation 12 3E10 Fv-Hsp90 Mouse Linker annotated protein 13 3E10 Vk CDR1 nucleic acid 14 3E10 Vk CDR1 protein 15 3E10 Vk CDR2 nucleic acid 16 3E10 Vk CDR2 protein 17 3E10 Vk CDR3 nucleic acid 18 3E10 Vk CDR3 protein 19 3E10 VH CDR1 with D31N nucleic acid 20 3E10 VH CDR1 with D31N protein 21 3E10 VH CDR2 nucleic acid 22 3E10 VH CDR2 protein 23 3E10 VH CDR3 nucleic acid 24 3E10 VH CDR3 protein 25 3E10 Fv-Hsp27 Human Linker annotated nucleic acid 26 3E10 Fv-Hsp27 Human Linker translation 27 3E10 Fv-Hsp27 Human Linker annotated protein 28 3E10 Fv-Hsp70 Human Linker annotated nucleic acid (FIG. 5) 29 3E10 Fv-Hsp70 Human Linker translation (FIG. 5) 30 3E10 Fv-Hsp70 Human Linker annotated protein (FIG. 5) 31 3E10 Fv-GRP78 Human Linker annotated nucleic acid 32 3E10 Fv-GRP78 Human Linker translation 33 3E10 Fv-GRP78 Human Linker annotated protein 34 3E10 Fv-Hsp90 Human Linker annotated nucleic acid 35 3E10 Fv-Hsp90 Human Linker translation 36 3E10 Fv-Hsp90 Human Linker annotated protein 37 AGIH peptide

DETAILED DESCRIPTION OF THE INVENTION Definitions

To facilitate understanding of the invention, a number of terms are defined below.

As used herein, “anti-DNA monoclonal antibody 3E10” (also referred to herein as 3E10 antibody or mAb 3E10) refers to an antibody produced by ATCC PTA 2439 or a functional fragment or variant thereof or an antibody having the specificity of mAb 3E10.

As used herein recombinant variable regions of immunoglobulin molecules refers to variable regions of Ig molecules which are produced by molecular biological means. Sequences encoding variable domain of the heavy and light chains may be isolated from T-cells, B-cells, leukemic cells, lymphoma cells, or immunoglobulin gene expressing cells, cloned into expression vector systems, and introduced into a host cell to produce “recombinant variable regions of immunoglobulin molecules.” Alternatively, the sequences may be recombinantly produced or obtained from genomic DNA. Recombinant antibodies produced in this manner consists of an antibody or antibody fragment with the antigen binding specificity dependent on the variable region, comprising framework sequences and CDRs. Such recombinant antibodies may be formed from a polypeptide chain containing a variable region from a light chain and a polypeptide chain containing a variable region from a heavy chain or alternatively both the light chain and heavy chain variable regions could be found within a polypeptide in which a linker is used to link by recombinant DNA methods the coding sequences for the two variable chain regions, such as in the case of single chain Fv fragment (scFv).

When “recombinant variable regions of immunoglobulin molecules” are formed from two separate polypeptides, one for the light chain variable region and other for the heavy chain variable region, the recombinant Ig molecules may be an intact antibody as is normally produced by an organism from which the coding sequences were isolated or it could be a fragment. Antibody fragments could be produced either by recombinant DNA methods allowing tailored antibodies not dependent on specific protease cleavage sites or by proteolytic cleavage of the recombinant antibodies such as by IdeS, pepsin, or papain to produce Fab, F(ab′) or F(ab′)2 fragments. The “recombinant variable regions of immunoglobulin molecules” may include the entire constant region or a portion of the constant region. In addition, the constant region of one antibody may be replaced by recombinant DNA method with the constant region of a different antibody if desired.

“Single-chain antibodies” or “Fv” consist of an antibody light chain variable domain or region (“V_(L)”) and heavy chain variable region (“V_(H)”) connected by a short peptide linker. The peptide linker allows the structure to assume a conformation which is capable of binding to antigen [Bird et al., (1988) Science 242:423 and Huston et al. (1988) Proc. Natl. Acad. Sci. USA 85:5879].

Compositions of the Invention

The invention provides fusion proteins comprising a 3E10 Fv joined or attached to a Hsp-70 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence alanine, glycine, isoleucine, and histidine (AGIH) at its amino terminus. For example, FIG. 12 shows a construct of a fusion protein of the invention, His6-AGIH-Fv-myc-Hsp70 (FIG. 12; SEQ ID NOS:4, 5, 6, 28, 29, or 30).

The invention also provides for fusion proteins comprising a 3E10 Fv joined to Hsp-27 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus. For example, FIG. 12 shows a construct of a fusion protein of the invention, His6-AGIH-Fv-myc-Hsp27 (FIG. 12; SEQ ID NOS:1, 2, 3, 25, 26, or 27).

In another embodiment, the fusion protein of the invention comprises a 3E10 Fv derived from monoclonal antibody 3E10.

The invention further provides for a fusion protein comprising a 3E10 Fv attached or joined to a Hsp-90 or portion thereof, and optionally, an 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus. For example, FIG. 12 shows a construct of a fusion protein of the invention, His6-AGIH-Fv-myc-Hsp90 (FIG. 12; SEQ ID NOS:10, 11, 12, 34, 35, or 36).

The invention further provides for a fusion protein comprising a 3E10 Fv attached or joined to GRP78 or portion thereof, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH at its amino terminus. For example, FIG. 12 shows a construct of a fusion protein of the invention, His6-AGIH-Fv-myc-GRP78 (FIG. 12; SEQ ID NOS:7, 8, 9, 31, 32, or 33).

In one embodiment, the 3E10 Fv is a derivative of monoclonal antibody 3E10 from 3E10 hybridoma (ATCC Accession No. PTA 2439 hybridoma) or an antibody that competes with monoclonal antibody 3E10. For example, the derivative of monoclonal antibody 3E10 may contain a part or all of a light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, or heavy chain CDR3 of 3E10 antibody. The part or all of a light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, or heavy chain CDR3 of 3E10 antibody is shown in SEQ ID NO:14, SEQ ID NO:16, SEQ ID NO:18, SEQ ID NO:20, SEQ ID NO:22, or SEQ ID NO:24, respectively.

In another embodiment, the derivative of an antibody that competes with monoclonal antibody 3E10 or fragment thereof competes with the ENT2-dependent cell penetrating property and epitope recognition of monoclonal antibody 3E10. For example, the derivative may be obtained by using any of the sequences of a light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, or heavy chain CDR3 of 3E10 antibody as shown in SEQ ID NO:14, SEQ ID NO:16, SEQ ID NO:18, SEQ ID NO:20, SEQ ID NO:22, or SEQ ID NO:24, respectively in antibody phage display screen.

In one embodiment, the derivative may be encoded by a part of the nucleic acid sequences for 3E10 Fv protein sequence, as provided in SEQ ID NO:1 from nucleotide position 304 to 1032, corresponding to amino acid position 102 to 344.

In another embodiment, the fusion protein of the invention may be joined to a therapeutic or diagnostic agent. In one embodiment, the therapeutic agent may be a cytotoxic agent. In a further embodiment, the diagnostic agent is a detectable marker.

Examples of cytotoxic agents include but are not limited to ricin, ricin A-chain, doxorubicin, daunorubicin, taxol, ethiduim bromide, mitomycin, etoposide, tenoposide, vincristine, vinblastine, colchicine, dihydroxy anthracin dione, actinomycin D, diphteria toxin, Pseudomonas exotoxin (PE) A, PE40, abrin, arbrin A chain, modeccin A chain, alpha-sarcin, gelonin, mitogellin, restrictocin, phenomycin, enomycin, curacin, crotin, calicheamicin, sapaonaria officinalis inhibitor, maytansinoids, and glucocorticoidricin.

Examples of detectable marker include but are not limited to an enzyme, biotin, a fluorophore, a chromophore, a heavy metal, a paramagnetic isotope, or a radioisotope.

In a further embodiment, the fusion protein of the invention may have the sequence as shown in FIG. 3, 4, 5, 6, 7, 8, 9, 10 or 11.

In another embodiment, the bispecific antibody or fragment thereof which specifically binds an Hsp protein and comprises first and second variable regions. The first variable region and the second variable region comprises an 3E10 Fv of the fusion protein of the invention and that the first and second variable regions are not the same.

In one embodiment, the Fv may be a recombinant Fv, a chimeric Fv, a humanized Fv or a human Fv.

In another embodiment, the 3E10 Fv may be replaced with a non 3E10 Fv which competes with the binding of 3E10 to its epitope.

In an embodiment, the invention provides a nucleic acid molecule encoding the bispecific compositions of the invention. The nucleic acid molecule may encode the bispecific or fusion protein composition of the invention.

The nucleic acids of the invention may comprise nucleotide sequences and polypeptides encoding amino acid sequences which are at least about 70% identical, preferably at least about 80% identical, more preferably at least about 90% identical and most preferably at least about 95% identical (e.g., 95%, 96%, 97%, 98%, 99%, 100%) to the reference nucleotide and amino acid sequences of the present invention (i.e., see examples herein) when the comparison is performed by a BLAST algorithm wherein the parameters of the algorithm are selected to give the largest match between the respective sequences over the entire length of the respective reference sequences. Polypeptides comprising amino acid sequences which are at least about 70% similar, preferably at least about 80% similar, more preferably at least about 90% similar and most preferably at least about 95% similar (e.g., 95%, 96%, 97%, 98%, 99%, 100%) to the reference amino acid sequences of the present invention when the comparison is performed with a BLAST algorithm wherein the parameters of the algorithm are selected to give the largest match between the respective sequences over the entire length of the respective reference sequences, are also included in the present invention.

The nucleic acid molecule may be a DNA molecule (e.g., cDNA) encoding the bispecific composition of the invention. For example, the invention provides for a DNA construct comprising a vector that expresses the bispecific composition of the invention.

Additionally, the invention provides a vector which comprises the nucleic acid molecule of the invention. The host vector system comprises the vector of the invention in a suitable host cell. Examples of suitable host cells include but are not limited to bacterial cell and eukaryotic cells.

In one embodiment, the invention provides for a composition comprising the fusion protein of the invention in an effective amount and a suitable carrier.

In one embodiment, the composition may consist essentially of an 3E10 Fv attached to a Hsp-27 and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles.

In another embodiment, the composition may consist essentially of an 3E10 Fv attached to a Hsp-70 and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles.

In yet another embodiment, the composition may consist essentially of an 3E10 Fv attached to a Hsp-90 and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles.

In another embodiment, the composition may consist essentially of an 3E10 Fv attached to a Hsp-GRP78 and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles.

In one embodiment, the disease or disorder comprising the fusion protein of the invention may be associated with hydrogen peroxide toxicity or reactive oxygen species (ROS) toxicity. The disease or disorder may be a brain injury, heart injury, skin injury, or radiation injury and may be an acute injury. Examples of brain injury include but are not limited to brain trauma, spinal cord injury, peripheral nerve injury, or stroke. A heart injury may include but not limited to a myocardial infarction. Examples of skin injury include but are not limited to wound, burn, or decubitus ulcer. A radiation injury may include but not limited to burn or poison.

In another embodiment, the disease or disorder may be acute renal failure, acute organ failure, liver injury, bowel infarction, peripheral vascular disease, pulmonary failure, or a cancer.

In one embodiment, the pharmaceutical composition for inhibiting a disease or disorder associated with hydrogen peroxide toxicity or reactive oxygen species (ROS) comprising the fusion protein of the invention and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles. Examples of reactive oxygen species (ROS) include but are not limited to peroxides, oxygen ions, superoxides, hypochlorited, hydroxyl radicals, hydroxyl ions, and hydroperoyls. In one embodiment, the reactive oxygen species (ROS) may be generated by ionizing radiation or ultraviolet light.

In a further embodiment, the pharmaceutical composition may be the fusion protein comprising a 3E10 Fv joined to a Hsp-70 or portion thereof, a 3E10 Fv joined to Hsp-27 or portion thereof, a 3E10 Fv attached/joined to a Hsp-90 or portion thereof or a 3E10 Fv attached/joined to GRP78 or portion thereof.

According to one aspect of the invention there are provided pharmaceutical compositions comprising effective amounts of the compositions of the invention by mucosal membrane administration in the treatment.

One embodiment of the current invention is a novel nasal formulation of the compositions of the invention. The nasal dosing route is easily accessible in an emergency situation, especially in children. Nasal formulations of the present invention is useful for self-administration outside of a medical setting by patients or their non-medical caregivers.

For the administration to mucosal membranes, in particular the nasal mucosal membranes, the compositions according to the invention may be conveniently delivered by conventional means (e.g. in the form of a single dose or multiple dose manual pump nasal spray). The compositions may also be delivered to the lungs by direct inhalation by numerous delivery methods well known to those skilled in the art.

Nasal spray compositions may, for example, be formulated as pH neutral and isotonic aqueous solutions or suspensions and may be administered by a nebulizer. Aerosol spray formulations, for example in which the active ingredients are suspended, optionally together with one or more stabilizers, using a non-halogenated hydrocarbon propellant, including air, nitrogen, or other gases, or manual pump action may also be employed, or by numerous other delivery methods well known to those skilled in the art. An another embodiment, the pH of the intranasal formulation can be acidic, for example in the range of e.g. pH 3 to pH 6.

Alternatively, for administration by inhalation or insufflation, the composition according to the invention may take the form of a dry powder composition, for example a powder mix of the active ingredients and a suitable carrier such as lactose. The powder compositions may be presented in a unit dosage form in, for example, capsules, cartridges, or blister packs from which the powder may be administered with the aid of an Dry Powder Inhaler (DPI), or by numerous other delivery methods well known to those skilled in the art.

In another embodiment, the compositions of the invention are provided through intramuscular or sublingual routes of administration.

Administration of a composition of the invention may be conducted generally by injection over a suitable time period and with use of a suitable adjuvant, as is generally understood in the art. During the immunization schedule, titers of antibodies can be taken to determine adequacy of antibody formation.

For example, one way to apply the compositions of the invention clinically is to administer them in unmodified form, using fusion proteins of the invention which display, e.g., internalizing ability in vitro and/or in animal models (see, e.g. Hellstrom et al., Proc. Natl. Acad. Sci. USA 82:1499-1502 (1985).

In one embodiment, the compositions of the invention further comprises a therapeutic agent admixed with the bispecific composition. The therapeutic agent may be an anti-cancer agent which may be lenalidomide, ipilimumab, rituximab, alemtuzumab, ofatumumab, flavopiridol, Adriamycin, Dactinomycin, Bleomycin, Vinblastine, Cisplatin, acivicin; aclarubicin; acodazole hydrochloride; acronine; adozelesin; aldesleukin; altretamine; ambomycin; ametantrone acetate; amino glutethimide; amsacrine; anastrozole; anthramycin; asparaginase; asperlin; azacitidine; azetepa; azotomycin; batimastat; benzodepa; bicalutamide; bisantrene hydrochloride; bizelesin; bleomycin sulfate; brequinar sodium; bropirimine; busulfan; cactinomycin; calusterone; caracemide; carbetimer; carboplatin; carubicin hydrochloride; carzelesin; cedefingol; chlorambucil; cirolemycin; cladribine; crisnatol mesylate; cyclophosphamide; cytarabine; dacarbazine; daunorubicin hydrochloride; decitabine; dexormaplatin; dezaguanine; dezaguanine mesylate; diaziquone; doxorubicin; doxorubicin hydrochloride; droloxifene; droloxifene citrate; dromostanolone propionate; duazomycin; edatrexate; eflornithine hydrochloride; elsamitrucin; enloplatin; enpromate; epipropidine; epirubicin hydrochloride; erbulozole; esorubicin hydrochloride; estramustine; estramustine phosphate sodium; etanidazole; etoposide; etoposide phosphate; etoprine; fadrozole hydrochloride; fazarabine; fenretinide; floxuridine; fludarabine phosphate; fluorouracil; flurocitabine; fosquidone; fostriecin sodium; gemcitabine; gemcitabine hydrochloride; hydroxyurea; idarubicin hydrochloride; ifosfamide; ilmofosine; iproplatin; irinotecan hydrochloride; lanreotide acetate; letrozole; leuprolide acetate; liarozole hydrochloride; lometrexol sodium; lomustine; losoxantrone hydrochloride; masoprocol; maytansine; mechlorethamine hydrochloride; megestrol acetate; melengestrol acetate; melphalan; menogaril; mercaptopurine; methotrexate; methotrexate sodium; metoprine; meturedepa; mitindomide; mitocarcin; mitocromin; mitogillin; mitomalcin; mitomycin; mitosper; mitotane; mitoxantrone hydrochloride; mycophenolic acid; nocodazole; nogalamycin; ormaplatin; oxisuran; pegaspargase; peliomycin; pentamustine; peplomycin sulfate; perfosfamide; pipobroman; piposulfan; piroxantrone hydrochloride; plicamycin; plomestane; porfmer sodium; porfiromycin; prednimustine; procarbazine hydrochloride; puromycin; puromycin hydrochloride; pyrazofurin; riboprine; rogletimide; safingol; safingol hydrochloride; semustine; simtrazene; sparfosate sodium; sparsomycin; spirogerranium hydrochloride; spiromustine; spiroplatin; streptonigrin; streptozocin; sulofenur; talisomycin; tecogalan sodium; tegafur; teloxantrone hydrochloride; temoporfin; teniposide; teroxirone; testolactone; thiamiprine thioguanine; thiotepa; tiazofurin; tirapazamine; toremifene citrate; trestolone acetate; triciribine phosphate; trimetrexate; trimetrexate glucuronate; triptorelin; tubulozole hydrochloride; uracil mustard; uredepa; vapreotide; verteporfm; vinblastine sulfate; vincristine sulfate; vindesine; vindesine sulfate; vinepidine sulfate; vinglycinate sulfate; vinleurosine sulfate; vinorelbine tartrate; vinrosidine sulfate; vinzolidine sulfate; vorozole; zeniplatin; zinostatin; and zorubicin hydrochloride.

In another embodiment, the compositions of the invention further comprises a therapeutic agent admixed with the fusion protein composition and the therapeutic agent may be an alkylating agent which includes but are not limited to nitrogen mustards (e.g., bendamustine, mechloroethamine, cyclophosphamide, chlorambucil, melphalan), ethylenimine and methylmelamines (e.g., hexamethlymelamine, thiotepa), alkyl sulfonates (e.g., busulfan), nitrosoureas (e.g., carmustine, lomustine, semustine, streptozocin), or triazenes (decarbazine).

Kits of the Invention

According to another aspect of the invention, kits are provided. Kits according to the invention include package(s) comprising composition of the invention.

The phrase “package” means any vessel containing compositions presented herein. In preferred embodiments, the package can be a box or wrapping. Packaging materials for use in packaging pharmaceutical products are well known to those of skill in the art. Examples of pharmaceutical packaging materials include, but are not limited to, blister packs, bottles, tubes, inhalers, pumps, bags, vials, containers, syringes (including pre-filled syringes), bottles, and any packaging material suitable for a selected formulation and intended mode of administration and treatment.

The kit can also contain items that are not contained within the package but are attached to the outside of the package, for example, pipettes.

Kits may optionally contain instructions for administering compositions of the present invention to a subject having a condition in need of treatment. Kits may also comprise instructions for approved uses of components of the composition herein by regulatory agencies, such as the United States Food and Drug Administration. Kits may optionally contain labeling or product inserts for the present compositions. The package(s) and/or any product insert(s) may themselves be approved by regulatory agencies. The kits can include compositions in the solid phase or in a liquid phase (such as buffers provided) in a package. The kits also can include buffers for preparing solutions for conducting the methods, and pipettes for transferring liquids from one container to another.

The kit may optionally also contain one or more other compositions for use in combination therapies as described herein. In certain embodiments, the package(s) is a container for intravenous administration. In other embodiments, compositions are provided in an inhaler. In still other embodiments compositions are provided in a polymeric matrix or in the form of a liposome.

Methods of the Invention

The invention also provides methods for inhibiting a disease or disorder by promoting hydrogen peroxide or reactive oxygen species (ROS) cytoprotection comprising administering the pharmaceutical composition of the invention.

In one embodiment, the fusion protein may be the fusion protein comprising a 3E10 Fv joined to a Hsp-70 or portion thereof, a 3E10 Fv joined to Hsp-27 or portion thereof, a 3E10 Fv attached/joined to a Hsp-90 or portion thereof or a 3E10 Fv attached/joined to GRP78 or portion thereof.

The invention further provides for a method for inhibiting or treating a subject suffering a disease or disorder comprising administering a suitable amount of the the pharmaceutical composition of the invention to the subject.

In one embodiment, the disease or disorder may be acute renal failure, acute organ failure, liver injury, bowel infarction, peripheral vascular disease, pulmonary failure, or a cancer. In another embodiment, the disease or disorder may be a brain injury, heart injury, skin injury or radiation injury.

Examples of brain injury include but are not limited to a brain trauma, spinal cord injury, peripheral nerve injury, or stroke. A heart injury may include but not limited to a myocardial infarction. Examples of skin injury may include but are not limited to a wound, burn, or decubitus ulcer. A radiation injury may include but not limited to burn or poison.

The methods of the invention contemplate the administration of the compositions of the invention as well as combinations, or “cocktails, of different individual Fv's such as those recognizing different epitopes. Such antibody cocktails may have certain advantages inasmuch as they contain antibodies which bind to different epitopes and/or exploit different effector mechanisms or combine directly cytotoxic mAbs with mAbs that rely on immune effector functionality. Such antibodies in combination may exhibit synergistic therapeutic effects.

In addition, the administration of the fusion proteins of the invention may be combined with other therapeutic agents, including but not limited to various chemotherapeutic agents, androgen-blockers, and immune modulators (e.g., IL-2, GM-CSF). The fusion proteins of the invention may be administered in their “naked” or unconjugated form, or may have therapeutic agents conjugated to them.

The fusion proteins of the invention used in the practice of the method of the invention may be formulated into pharmaceutical compositions comprising a carrier suitable for the desired delivery method. Suitable carriers include any material which when combined with the fusion proteins of the invention retains the heat shock protein of the antibody and is non-reactive with the subject's immune systems. Examples include, but are not limited to, any of a number of standard pharmaceutical carriers such as sterile phosphate buffered saline solutions, bacteriostatic water, and the like (see, generally, Remington's Pharmaceutical Sciences 16^(th) Edition, A. Osal., Ed., 1980).

The fusion protein formulations may be administered via any route capable of delivering the antibodies to the tumor site. Potentially effective routes of administration include, but are not limited to, intravenous, intraperitoneal, intramuscular, intratumor, intradermal, intranasal (e.g., by mucosal membrane administration) and the like. A suitable formulation for intravenous injection comprises the fusion proteins of the invention in a solution of preserved bacteriostatic water, sterile unpreserved water, and/or diluted in polyvinylchloride or polyethylene bags containing 0.9% sterile Sodium Chloride for Injection, USP. The fusion protein preparation may be lyophilized and stored as a sterile powder, preferably under vacuum, and then reconstituted in bacteriostatic water containing, for example, benzyl alcohol preservative, or in sterile water prior to injection. Treatment will generally involve the repeated administration of the fusion protein preparation via an acceptable route of administration such as intravenous injection (IV), at an effective dose.

Dosages will depend upon various factors generally appreciated by those of skill in the art, including without limitation the type of disease or disorder and the severity, grade, or stage of the disease or disorder, the binding affinity and half life of the fusion proteins used, the desired steady-state antibody concentration level, frequency of treatment, and the influence of chemotherapeutic agents used in combination with the treatment method of the invention.

Typical daily doses may range from about 0.1 to 100 mg/kg. Doses in the range of 10-500 mg mAb per week may be effective and well tolerated, although even higher weekly doses may be appropriate and/or well tolerated. The principal determining factor in defining the appropriate dose is the amount of a particular antibody necessary to be therapeutically effective in a particular context. Repeated administrations may be required in order to achieve tumor inhibition or regression. Initial loading doses may be higher. The initial loading dose may be administered as an infusion. Periodic maintenance doses may be administered similarly, provided the initial dose is well tolerated.

The invention further provides for method for producing a fusion protein comprising culturing the host vector system under suitable culture conditions so as to produce the fusion protein in the host and recovering the fusion protein so produced.

The invention also provides for method for inhibiting a disease or disorder comprising administering the pharmaceutical compositions of the invention.

In one embodiment, the disease or disorder may be an acute renal failure, acute organ failure, liver injury, bowel infarction, peripheral vascular disease, pulmonary failure, or a cancer. The disease or disorder may be a brain injury, heart injury, or skin injury.

Examples of brain injury include but are not limited to brain trauma, spinal cord injury, peripheral nerve injury, or stroke.

Example of heart injury includes but is not limited to myocardial infarction.

Examples of skin injury include but are not limited to wound, burn, or decubitus ulcer.

The following examples are presented to illustrate the present invention and to assist one of ordinary skill in making and using the same. The examples are not intended in any way to otherwise limit the scope of the invention.

EXAMPLES Example 1 Materials and Methods

Expression of Fv-Hsp70 Recombinant Protein in Pichia pastoris

Single-chain Fv antibody was derived from mAB 3E10. cDNA for the Fv fragment was ligated into the plasmid pPICZαA as previously described. Briefly, human Hsp70 cDNA was ligated into the Fv containing pPICZαA separated by Myc and His6 tags. The subsequent construct was electroporated into the X-33 methyolotropic yeast strain Pichia pastoris (Invitrogen, Carlsbad, Calif.). Fv-Hsp70 construct includes 4 amino acids, AGIH, added to the amino-terminal portion of the construct. Recombinant protein was purified from the medium using Ni-NTA agarose beads (Qiagen, Valencia, Calif.) under sterile conditions. Protein was eluted from the column with elution buffer (50 mmol/L NaH2PO₄, 300 mmol/L NaCl, 500 mmol/L imidazole, pH 8.0) in 5 1.5.-mL aliquots. Aliquots were then exchanged-dialyzed with Dulbecco phosphate-buffered saline (Mediatech, Manassas, Va.) to remove the imidazole (with a final concentration of imidazole less than 2 mmol/L). Final sample volume was 1 to 3 mL with an Fv-Hsp70 concentration of approximately 0.5 mg/mL. Fv-Hsp70 protein was stored at 4° C. and used within 24 hours. This enables greater purity and greater amounts of protein being produced than from the previous construct. FIG. 2 shows new construct on SDS gel.

Hsp27 construct: The procedure for making Fv-Hsp27 is identical to the procedure above in connection with Fv-Hsp70 except that the Hsp27 was cloned from human cells and inserted into the yeast vector, pPICZαA (Invitrogen, Carlsbad, Calif.), which includes the addition of AGIH to the amino-terminus of the protein.

Example 2 Construction of Fv-Hsp27

The human Hsp27 gene was cloned from human cell using primers from the known human hsp27 sequence. Once isolated the gene was sequenced by Seqwright DNA Sequencing, Houston, Tex.

The hsp27 gene was subcloned into PCR2.1 (bacterial plasmid, Invitrogen)) and grown in transformed competent TOP 10 bacteria (invitrogen).

The amplified gene—sequence was isolated with a mini-prep (Qiagen). The isolated gene was ligated into the multiple cloning site of pPicZalphaA (yeast cloning plasmid). The pPicZalphaA plasmid contains a 6-His selection gene on the 5′ end of the Fv-Hsp27 construct. The final construct consisted of 6-His, AGIH (amino acids), Fv, myc tag, and Hsp27 ligated into the BamHI and XbaI sites added to the 5′ and 3′ ends, respectively.

The pPicZalphaA-FvHsp27 was then transfected into and grown in Pichia pastoris and harvested by isolation from yeast medium as a secretory protein.

Isolation of the protein from medium was performed using the Ni-agarose beads from Qiagen by their protocol.

An alternative method for making the Fv-Hsp27 was also used in bacteria. The whole construct from the 6-His to the Hsp27 was removed from the yeast plasmid and cloned into the bacterial plasmid PQE30 (Clontech). This plasmid was transfected into M-15 competent bacteria and grown and isolated using a bacterial lysis buffer (B-Per, Pierce). The 6-His tagged protein was isolated from the bacterial lysate using the Ni-beads from Qiagen by manufacturers' protocol.

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1.-50. (canceled)
 51. A method for inhibiting a disease or disorder by promoting hydrogen peroxide or reactive oxygen species (ROS) cytoprotection comprising administering a pharmaceutical composition comprising fusion protein comprising a 3E10 Fv joined to a Hsp-70, a peptide linker comprising a portion of an immunoglobulin heavy chain constant domain CH1, and a swivel sequence, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH, as shown in SEQ ID NO:37, at its amino terminus, wherein the swivel sequence of the linker is a peptide sequence that is located between the 3E10 Fv and the Hsp-70 and permits the 3E10 Fv and the Hsp-70 to swivel and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles, thereby inhibiting the disease or disorder.
 52. A method for inhibiting or treating a subject suffering a disease or disorder comprising administering a suitable amount of a pharmaceutical composition comprising fusion protein comprising a 3E10 Fv joined to a Hsp-70, a peptide linker comprising a portion of an immunoglobulin heavy chain constant domain CH1, and a swivel sequence, and optionally, the 3E10 Fv comprising an amino acid sequence AGIH, as shown in SEQ ID NO:37, at its amino terminus, wherein the swivel sequence of the linker is a peptide sequence that is located between the 3E10 Fv and the Hsp-70 and permits the 3E10 Fv and the Hsp-70 to swivel and pharmaceutically acceptable carriers, binders, diluents, adjuvants, excipients, and/or vehicles to the subject, thereby inhibiting or treating the disease or disorder.
 53. The method of claim 51, wherein the disease or disorder is acute renal failure, acute organ failure, liver injury, bowel infarction, peripheral vascular disease, pulmonary failure, or a cancer.
 54. The method of claim 51, wherein the disease or disorder is a brain injury, heart injury, skin injury or radiation injury.
 55. The method of claim 54, wherein the brain injury is a brain trauma, spinal cord injury, peripheral nerve injury, or stroke.
 56. The method of claim 54, wherein the heart injury is a myocardial infarction.
 57. The method of claim 54, wherein the skin injury is a wound, burn, or decubitus ulcer.
 58. The method of claim 54, wherein the radiation injury is a burn or poison. 59.-126. (canceled)
 127. The method of claim 51 having an arrangement of functional peptide sequence from amino- to carboxyl terminus, AGIH-3E10 Fv-CH1-swivel-Hsp70.
 128. The method of claim 51, wherein the 3E10 Fv is a derivative of monoclonal antibody 3E10 from 3E10 hybridoma (ATCC Accession No. PTA 2439 hybridoma), wherein the derivative of monoclonal antibody 3E10 comprises a light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, and heavy chain CDR3 of 3E10 antibody or a combination thereof, and wherein the derivative competes with monoclonal antibody 3E10.
 129. The method of claim 128, wherein the part or all of a light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, and heavy chain CDR3 of 3E10 antibody is shown in SEQ ID NO:14, SEQ ID NO:16, SEQ ID NO:18, SEQ ID NO:20, SEQ ID NO:22, and SEQ ID NO:24, respectively.
 130. The method of claim 128, wherein the antibody that competes with monoclonal antibody 3E10 is an antibody that competes with the ENT2-dependent cell penetrating property and epitope recognition of monoclonal antibody 3E10.
 131. The method of claim 128, wherein the derivative is obtained by using any of the sequences of a light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, or heavy chain CDR3 of 3E10 antibody as shown in SEQ ID NO:14, SEQ ID NO:16, SEQ ID NO:18, SEQ ID NO:20, SEQ ID NO:22, or SEQ ID NO:24, respectively, in an antibody phage display screen.
 132. The method of claim 51, wherein the portion of the immunoglobulin heavy chain constant domain CH1 comprises a sequence of amino acids starting from position 361 and ending with position 374 of SEQ ID NO:6 or a sequence of amino acid starting from position 361 and ending with position 373 of SEQ ID NO:30 and wherein the swivel sequence comprises a sequence of amino acids starting from position 375 and ending with position 380 of SEQ ID NO:6.
 133. The method of claim 51, wherein fusion protein is joined to a therapeutic agent.
 134. The method of claim 51, wherein the peptide linker is selected from a group consisting of a sequence of amino acids starting from position 361 and ending with position 380 of SEQ ID NO:6 and a sequence of amino acids starting from position 361 and ending with position 379 of SEQ ID NO:30.
 135. The method of claim 133, wherein the therapeutic agent is a cytotoxic agent.
 136. The method of claim 135, wherein the cytotoxic agent is selected from a group consisting of ricin, ricin A-chain, doxorubicin, daunorubicin, taxol, ethiduim bromide, mitomycin, etoposide, tenoposide, vincristine, vinblastine, colchicine, dihydroxy anthracin dione, actinomycin D, diphtheria toxin, Pseudomonas exotoxin (PE) A, PE40, abrin, abrin A chain, modeccin A chain, alpha-sarcin, gelonin, mitogellin, restrictocin, phenomycin, enomycin, curacin, crotin, calicheamicin, sapaonaria officinalis inhibitor, maytansinoids, and glucocorticoidricin.
 137. The method of claim 128, wherein the light chain CDR1, light chain CR2, light chain CDR3, heavy chain CDR1, heavy chain CDR2, or heavy chain CDR3 of 3E10 antibody is encoded by nucleic acid sequence shown in SEQ ID NO:13, SEQ ID NO:15, SEQ ID NO:17, SEQ ID NO:19, SEQ ID NO:21, or SEQ ID NO:23, respectively.
 138. The method of claim 51, wherein the Fv sequence is a recombinant Fv, a chimeric Fv, a humanized Fv or a human Fv.
 139. The method of claim 51, wherein the swivel sequence is attached to a C-terminus of the CH1 sequence. 